Restart of the Large Hadron Collider. Free Technical Library News

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Restarting the Large Hadron Collider

30.04.2022

Representatives of the European Organization for Nuclear Research CERN announced that the process of maintenance and modernization of the Large Hadron Collider has been completed, the largest and most powerful particle accelerator is fully assembled and ready for operation. Moreover, CERN specialists have already carried out the first "warm-up" launches of two beams of protons moving in opposite directions. However, the procedure for launching a collider is not a quick matter, and several more months will pass before the moment when collisions of particle beams with record energy indicators begin in the bowels of the accelerator.

The modernization that the collider equipment has undergone since December 2018 will allow it to operate at even higher energy levels. If during test launches the injection energy of the proton beam was 450 billion electron volts (450 GeV), then in the operating mode this energy will already be 13,6 trillion electron volts (13,6 TeV).

According to preliminary calculations, the number of proton collisions during the third period (Run 3) of the collider will increase three times. The number of collisions of heavy ions will increase 50 times compared to the same indicators of the previous period of work. As a result of all this, both the number of collisions and the amount of data collected will significantly exceed the total amount for both previous periods of the collider, Run 1 and Run 2.

With such a vast set of new data, physicists hope to unravel more mysteries and mysteries related to the Higgs boson, which is associated with so-called Higgs fields, which in turn give their mass to other elementary particles. In addition, scientists plan to study the intricacies of the interactions between Higgs bosons, "unlock the doors" to our understanding of dark matter and dark energy, learn more about the mysterious neutrino particles and unravel more mysteries related to the structure of the Universe at the subatomic level.

The forthcoming wave of experiments in Geneva will contain some of the most rigorous tests that will test the veracity of the most recent theory about how our world works, the Standard Model of particle physics.

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